a = 'hello'
c = "'welcome to my world\nmy friend'"
print(a)
print(c)
b = c[-10:]
print(b)
d = b.upper()
print(d)
e = d.split(' ')
print(e)
f = c.count('e')
print(f)
g = a.replace('o','')
print(g)
h = a.center(20,'*')
print(h)
i = h.strip('*')
print(i)